12056422 has 16 divisors (see below), whose sum is σ = 20853792. Its totient is φ = 5120640.

The previous prime is 12056399. The next prime is 12056437. The reversal of 12056422 is 22465021.

It is a super-2 number, since 2×12056422² = 290714622884168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12056393 and 12056402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2229 + ... + 5392.

It is an arithmetic number, because the mean of its divisors is an integer number (1303362).

Almost surely, 2^12056422 is an apocalyptic number.

12056422 is a deficient number, since it is larger than the sum of its proper divisors (8797370).

12056422 is a wasteful number, since it uses less digits than its factorization.

12056422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7743.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 12056422 is about 3472.2358790843. The cubic root of 12056422 is about 229.3011046479.

The spelling of 12056422 in words is "twelve million, fifty-six thousand, four hundred twenty-two".